Home / 223,125.57-307,653.12-166,438.53

Finding the Fourth Proportional to 223,125.57, 307,653.12 and 166,438.53

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Solution

The fourth proportional to 223,125.57, 307,653.12 and 166,438.53 is: 229,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,125.57 : 307,653.12 = 166,438.53 : x
  2. Step 2: Convert to fraction form
    223,125.57/307,653.12 = 166,438.53/x
  3. Step 3: Cross multiply
    223,125.57x = 307,653.12 × 166,438.53
  4. Step 4: Simplify right side
    223,125.57x = 51,205,333,042.71
  5. Step 5: Solve for x
    x = 51,205,333,042.71/223,125.57
  6. Step 6: Final answer
    x = 229,491.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.